ChemistryA base has a Kb of 2.5 x 10–11. Which of the following statements is true? A.This is a concentrated base. B.This base ionizes slightly in aqueous solution. C.This is a strong base. D.An aqueous solution of this base would be acidic. My answer is D...?
February 12, 2013 by Cassie

physicsa)a box having mass of 500kg is placed on a horizontal surface.find the pressure exerted on the surface?do not forget to write formula. b)a pond of water filled with water upto 60m.1)write formula to find the pressure of water exerted on the base of pond.2)calculate the ...
November 24, 2010 by sweetie

Chemistry A base has a Kb of 2.5 x 10–11. Which of the following statements is true? This is a concentrated base. This base ionizes slightly in aqueous solution. This is a strong base. An aqueous solution of this base would be acidic.
March 9, 2012 by Rachel

mathwhat is the fraction 26/39 in simplist form. What is the least common denominator of 2/9 and 5/6. What is six 2/3 as an improper fraction. six 3/7 as a improper fraction. 2/25 and 24/100 as a percent. write .26 and .35 as a fraction. 2/20 as a percent
March 18, 2009 by quavious

EnglishWrite the complete verb in each sentence. Label it active or passive. 1. It was propelled by six paddles on each side. Each side was propelled by six paddles. Passive?
October 25, 2012 by Emma

Oncology ReportOk, we're are supposed to do a one page annual report on oncology and I'm having trouble understanding exactly what I'm supposed to do. Our teacher gave us a sheet saying "You are asked by the CEO of a hospital to contribute to the annual report. She wants you to write a one ...
May 3, 2011 by Valerie

MathMr. Science has a pair of hamsters. The hamsters have 2 babies. Those babies grow up and have 2 babies of their own. Write the number of baby hamsters from the previous day as a numeral expression using exponential notation. How many babies are there all together.
August 28, 2013 by mikil

math help!Mr. Science has a pair of hamsters. The hamsters have 2 babies. Those babies grow up and have 2 babies of their own. Write the number of baby hamsters from the previous day as a numeral expression using exponential notation. How many babies are there all together.
August 28, 2013 by mikil

MATHHASAN MADE A MODEL FOR 437 HUNDREDS, 3 TENS,AND 7.WHAT ARE TWO OTHER WAYS HE COULD SHOW 437 USING BASE-TEN BLOCKS?
September 15, 2011 by CHARLES

MAT115Identify the "Base" in the following application: The sales tax rate is 8&. If you pay a tax of $2.50 on a purchased item, What is its selling price? Should this question be changed to a statement to make it easier to identify the base? For example: If I write the statement ...
July 22, 2010 by barb

mathi am a number greater than 70000 but less than 90000. My ten digit is the same as my ones digit. My ten digit is the same as my ones digit. My ten thousand digit is four times my ones digits. Both my hundreds and thousands are half the ten thousand digit. what number am I?
June 20, 2013 by ramil

trigonometryFind the number of cans stacked in a display if there are 30 rows of cans with six on the top row, ten on the second row, 14 on the third row and so on. I know it's the sum of an arithmetic sequence, but I'm not sure exactly what to do.
June 16, 2009 by Cindy

Math - Write about itIf you add a ten thousands digit that is 2 times the ones digit to the number 2,794, what is the new number? How do you get this... Your question doesn't make sense they way it is written. If you really mean: "If you add a ten thousands digit that is 2 times the ones digit OF ...
September 18, 2006 by Joseph

chemistry1. An aqueous solution of weak base B of unknown concentration is tritrated with a known concentration of strong acid, HA. (a) Write the balanced chemical equation for this acid-base reaction, identifying the conjugate acid/base pairs. (b) If the base-dissociation constant of ...
April 8, 2011 by Phuong

MathAre these correct? two more than a number and four = 2 + n + 4 ten more than a number plus 3 = n + 10 + 3 three increased by a number minus 5 = n + 3 - 5 six and a number decreased by 7 = n+6-7
November 8, 2009 by JADEN

administratorcan any one give me a list of the top ten considerations for developing an integrated information management system for human services organizationlist? I have to write a essay on the top ten and can only think of about 5 Before anyone who knows about these things tries to ...
July 6, 2007 by april

ChemistryI am stumped on this one...Please help!!! Write a balanced base ionization reaction for methylamine (CH3NH2) in water. Identify all species as acids and bases and identify the conjuate acid-base pairs.
November 19, 2011 by Nathan

historyHeather bought a ten-year maturity corporate bond when it was issued for $1,000. The bond has an annual interest rate of seven percent and pays interest semi-annually. How much does she receive every six months?
November 4, 2010 by Ed

ChemistyIf ten drops of 0.3 M HCl are mixed with ten drops of 0.3 M Na2S2O3, what will be the concentration of each chemical in the mixture? Please help, i am pretty sure that the concentration should be 0.3 M but i am not sure if i am supposed to do somthing with the ten drops. Thank...
January 7, 2009 by Nancy

MathWhat is the constant of variation? An x-y table shows the following coordinate pairs: four comma fifteen, five comma twelve, and six comma ten. Answer 1 3 thirty sixty I have been stuck on it all day. I am in urgent need of help
January 11, 2012 by Daniel

mathalana has 5 base ten blocks.She has at least one of each type of block.The value of her blocks is greater than 140.What blocks could she have?
October 2, 2012 by ronel

chemistryPlease I need help. Many,but not all, compounds are made up of positive and negative ions. Three positive ions A^+, B^2+ and C^3+ could form a total of six different compounds with negative ions, Y^2- and Z^3-. Derive the formulae for six compounds and write them in the table.
August 28, 2014 by Shane

Maththis number has 4 places to the right of the decimal point. It has 2 hundredths, 3 then thousandths, and 1 tenth. It is in between 240 and 242. The thousandths place is one less than the ten thousandths and less than the hundresths. What are six numbers that match this data?
October 26, 2010 by Scarlett

mathmichael has a pair of hamsters. The hamsters have two babies. the babies grow up and have wo babies of their own. write the number of baby hamsters from the statement aboe as a numeral expression using exponential notation. How many baby hamsters are there all together
August 14, 2013 by mikil

Mathisosceles trapezoid with a perimeter of 52 meters; one base is 10 meters greater than the other base; the measure of each leg is 3 less than twice the base of the shorter base
August 25, 2014 by Anonymous

anonymous1.) an account invested in a month market fund grew from $67,081.20 to $67,359.39 in a month. What was the interest rate, to the nearest tenth? 2.)you are due a tax refund of $760. your tax preparer offers you a no-interest loan to be repaid by your refund check, which will ...
March 15, 2011 by math i have a few questions.hepl pls ty

SraJMcGin spanishi just got home from rehersal and i have a spanisg collage due tomorrow i need to get ten oics about what i am doing in the next ten years and put sub headings under them in spanish. i will have these done by no later than 11 pm -- it is ten sentences but i need to find the ...
April 22, 2009 by sam

Mathsix people can sit in one table that is rectangular when two tables are placed together ten people can be seated how many people can be seated with three tables?
May 21, 2014 by Samukelo Mlambo

pre calculusThe base of an Isosceles triangle is half as long as the two equal sides. Write the area of the triangle as a function of the length of the base. the answer is: A=a^2times the square root of 15 ------------------------------ 4 How did they get this answer? Thanks!
September 1, 2008 by Acorn

mathMarie used base-ten blocks to model 328 she used 3 hundreds, 2 tens, and 8 ones. for what could you trade one of the tens?
October 5, 2011 by amor

Math HelpChoose the word phrase that can be represented by 2 – p. the difference of a number p and 2 the quotient of 2 and a number p 2 more than a number p 2 decreased by a number p 2. Which word phrase could represent the variable expression 1/2a + 4? 4 more than half Chris’s age ...
September 23, 2014 by Anonymous

Algebra1. The cost in dollars of an "n" mile trip with the Supreme Taxi Service is given by 1.5 + 1.75n. The cost of an "n" mile trip using Twon Taxi Service is given by 1.9 + 1.6n. For rides between 1 and 10 miles, which service would you choose? Explain. 2. Peach = 35 calories ...
September 17, 2013 by Kirsten

MathSeven standard, six-sided dice are rolled, one after the other. What is the probability that: a) exactly one of them shows a six? c) there is at least one that shows a six?
October 25, 2011 by Danielle

MATHWHAT IS THE ANSWER TO THIS QUITION.THIS NUMBER HAS 4 PLACES TO THE RIGHT OF THE DECIMAL POINT . IT HAS 2 HUNDREDS, 3 TEN THOUSANDTHS , AND 1 TENTH . IT IS IN BETWEEN 240 AND 242 . THE THOUSANDTHS PLACE IS ONE LESS THAN THE TENTHOUSANDTHS AND LESS THAN THE HUNDREDTHS . WHAT ARE...
August 22, 2007 by TRISRAN

math bi need help with these problems please [6-2x]<4 which is the numeral set for [2x-]<5 1.[x]-4<x<1] 2.{x]x<-4orx>1} 3.{x]-1<x<4} 4.{x]x<-1orx>4}
December 4, 2008 by nicole

mathi need help with these problems please [6-2x]<4 which is the numeral set for [2x-]<5 1.[x]-4<x<1] 2.{x]x<-4orx>1} 3.{x]-1<x<4} 4.{x]x<-1orx>4}
December 4, 2008 by anthony

heeeeeelp computerA Harshad Number in a given number base is an integer that is divisible by the sum of its digits when written in that base. For example, the number 11 in base 5 (which is 6 in base 10) is divisible by 1 + 1 = 2 in base 5. It is therefore a Harshad number in base 5. 1 is the ...
July 5, 2013 by lin

Computer pls helpA Harshad Number in a given number base is an integer that is divisible by the sum of its digits when written in that base. For example, the number 11 in base 5 (which is 6 in base 10) is divisible by 1 + 1 = 2 in base 5. It is therefore a Harshad number in base 5. 1 is the ...
July 7, 2013 by lin

physicsA car traveling 28 mi/h accelerates uniformly for 6.7 s, covering 555 ft in this time. What was its acceleration? Answer in units of ft/s 2
October 6, 2012 by Ann

mathi have a six digit question my 100 thousands is one less than my ones digit,eight greater than my thousands digit,twice my tens digit and four times my hundreds digit,my ten thousand digit is zero,what number am i
January 7, 2010 by alex

mathhasan made a model for 437 using, 4 hundreds, 3 tens, and 7 ones. what are two otherways he could show 437 using base ten blocks
September 21, 2011 by Anonymous

statisticsIt is well known that the heights of individual American men are normally distributed with mean 70 inches and standard deviation 2.8 inches. The Central Limit Theorem states that if n men are randomly chosen, then their average height will also be normally distributed with ...
February 13, 2011 by LISA

MATH1. The cost in dollars of an "n" mile trip with the Supreme Taxi Service is given by 1.5 + 1.75n. The cost of an "n" mile trip using Town Taxi Service is given by 1.9 + 1.6n. For rides between 1 and 10 miles, which service would you choose? Explain. 2. Peach = 35 calories ...
September 18, 2013 by Kirsten

MATHSUSING ONLY THE NUMBER FOUR, PLACE TEN MONEY AMOUNTS IN THE TEN BLOCKS OF THIS PYRAMID TO TOTAL $10,000
July 1, 2011 by GURVINDER

MATHSUSING ONLY THE NUMBER FOUR, PLACE TEN MONEY AMOUNTS IN THE TEN BLOCKS OF THIS PYRAMID TO TOTAL $10,000
July 1, 2011 by GURVINDER

MathCan someone help me understand how to convert numbers to base numbers. Such as.... 1. 40 to base two 2. 502 to base eight 3. 42 to base five I have researched the web and cannot find a site that explains it in normal english! Any help would be appreciated.
May 14, 2009 by Lisa

math(EASY BUT CHECKING)for a spinner numbered one to ten, all outcomes are equally likely. What is the probability of getting a factor of six? I thought it might be 4/10 or 2/5 because i think a factor is a number that can go into another one. I often confuse those with multiples so if someone knows...
February 2, 2008 by lindsey

MathWhat place value is ten times smaller than ten millions place? A) hundred trillion B) one trillion C) hundred billion D) ten billion I think it's ones place. But that's not an option, maybe they did a typo.
November 27, 2011 by Jazmin

business mathA toy store has a beginning inventory of eight sets of paints at a cost of $1.25 each. During the year, the toy store purchased three at $1.50, five at $2, six at $2.50, and ten at $3. By the end of the year, 21 sets were sold.
September 1, 2012 by na name

English1. I was sad at the sight of the scene. 2. I was sad to see the scene. 3. I was sad when I saw the scene. (Do they have a similar meaning?) 4. Let's make it at ten. (What is the meaing of 'make it' in the sentence? Does #4 mean #5?) 5. Let's meet at ten. 6. Finally he made it...
December 5, 2009 by rfvv

PhysicsIf i have ten grains of sand on a flat, 8x8 chessboard, randomly distributed, what is the probabilty that all ten are on the same square?
October 8, 2010 by Jessica

scienceThe chemical formula for glucose is C6H12O6. Six molecules of carbon dioxide (CO2) react with six molecules of water (H2O) to form six molecules of oxygen (O2). How many molecules of glucose will be produced? A 1 B 6 C 12 D 36 can anyone help me figure this out ? thanks.
March 25, 2010 by Sabrina

BiochemistryCalculate how you would make 0.5L of a 0.5M (500mM) acetate buffer at a pH of 4.7. Available is sodium acetate and glacial acetic acid. pH=4.7 pKa of acetic acid=4.76 Not sure if I did this next part right: 4.7=4.76 + log [base]/[acid] -0.06= log [base]/[acid] 10^-0.06= [base...
September 11, 2014 by Nicole

Math--Check my answersChoose the word phrase that can be represented by 2 – p. the difference of a number p and 2 the quotient of 2 and a number p 2 more than a number p 2 decreased by a number p **** Which word phrase could represent the variable expression 1/2 a + 4? 4 more than half Chris’s age...
September 24, 2014 by Anonymous

Business EnglishOur short memory can only hold about seven bits of information at a time. This means you should: a,use words with six letters or less b,use sentences of six letters or less c,never write a document with more than seven points d,group large amounts of information into three to ...
March 28, 2012 by Alicia

PHYSICS The weight of fully saturated soil in a prism having a 4.00 sq. ft. base (or a base of 4.00 ft*ft) is 4,000 lbs. Pore pressure at the base is 499 lbs/(ft*ft). True or False: The effective stress at the base is 501 lbs/(ft*ft).
February 26, 2011 by dan

mathsi am a seven digit my ten place is 3,my lakhs place is 2,the hundred place is twice the lakhs place,the thousand place is thrice the ten place ,the ten lakh place is 3 less than the thousand place,the one place is 2 less than the thousand place,the ten thousand place is 8
March 8, 2015 by thnki

technology paperi have to write a ten page paper for my technology class on a technology that was developed in the last ten years. it can not be an innovation (such as hi-def tv, or cell phones) ive tried gps, artificial hearts, the internet, but none of them worked, i need help finding a ...
November 11, 2006 by mitchell

PreCalA square sheet of cardboard 18 inches is made into an open box (there is no top), by cutting squares of equal size out of each corner and folding up the sides. Find the dimensions of the box with the maximun volume. Volume= base(width)height but base + 2H =18 base + 2W=18 ...
November 6, 2006 by Chau